// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_
#define NET_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_

#include <stdint.h>

#include <memory>

#include "base/compiler_specific.h"
#include "net/base/load_timing_info.h"
#include "net/http/http_stream.h"

namespace net {

// A dummy HttpStream with no body used when a redirect is returned
// from a proxy.
class ProxyConnectRedirectHttpStream : public HttpStream {
public:
    // |load_timing_info| is the info that should be returned by
    // GetLoadTimingInfo(), or NULL if there is none. Does not take
    // ownership of |load_timing_info|.
    explicit ProxyConnectRedirectHttpStream(LoadTimingInfo* load_timing_info);
    ~ProxyConnectRedirectHttpStream() override;

    // All functions below are expected not to be called except for the
    // marked one.

    int InitializeStream(const HttpRequestInfo* request_info,
        RequestPriority priority,
        const BoundNetLog& net_log,
        const CompletionCallback& callback) override;
    int SendRequest(const HttpRequestHeaders& request_headers,
        HttpResponseInfo* response,
        const CompletionCallback& callback) override;
    int ReadResponseHeaders(const CompletionCallback& callback) override;
    int ReadResponseBody(IOBuffer* buf,
        int buf_len,
        const CompletionCallback& callback) override;

    // This function may be called.
    void Close(bool not_reusable) override;

    bool IsResponseBodyComplete() const override;

    bool IsConnectionReused() const override;
    void SetConnectionReused() override;
    bool CanReuseConnection() const override;

    int64_t GetTotalReceivedBytes() const override;
    int64_t GetTotalSentBytes() const override;

    // This function may be called.
    bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;

    void GetSSLInfo(SSLInfo* ssl_info) override;
    void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override;
    bool GetRemoteEndpoint(IPEndPoint* endpoint) override;
    Error GetSignedEKMForTokenBinding(crypto::ECPrivateKey* key,
        std::vector<uint8_t>* out) override;
    void Drain(HttpNetworkSession* session) override;
    void PopulateNetErrorDetails(NetErrorDetails* details) override;

    // This function may be called.
    void SetPriority(RequestPriority priority) override;

    UploadProgress GetUploadProgress() const override;
    HttpStream* RenewStreamForAuth() override;

private:
    bool has_load_timing_info_;
    LoadTimingInfo load_timing_info_;
};

} // namespace net

#endif // NET_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_
